Finding the Fourth Proportional to 113,873,901.36, 170,862,902.04 and 61,980,765.36
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Solution
The fourth proportional to 113,873,901.36, 170,862,902.04 and 61,980,765.36 is: 92,999,478.49
Step by Step Solution
- Step 1: Write the proportion equation
113,873,901.36 : 170,862,902.04 = 61,980,765.36 : x - Step 2: Convert to fraction form
113,873,901.36/170,862,902.04 = 61,980,765.36/x - Step 3: Cross multiply
113,873,901.36x = 170,862,902.04 × 61,980,765.36 - Step 4: Simplify right side
113,873,901.36x = 10,590,213,440,069,904 - Step 5: Solve for x
x = 10,590,213,440,069,904/113,873,901.36 - Step 6: Final answer
x = 92,999,478.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.